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Microscope Test aka the Scope Showdown!

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This topic contains 59 replies, has 12 voices, and was last updated by  NickedEdge 04/13/2018 at 8:39 pm.

Viewing 15 posts - 16 through 30 (of 60 total)
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  • #31375

    wickededge
    Keymaster
    • Topics: 121
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    Here are some comparison photos:

    Dino-Lite-7000-grit-230x-with-hair
    Dino-Lite 230x
    Dino-Lite-500x-with-human-hair
    Dino-Lite 500x

    -Clay

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    #31381

    wickededge
    Keymaster
    • Topics: 121
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    200x-Textured
    AmScope 200x

    Textured-800x
    AmScope 800x

    2000x-400-1
    AmScope 2000x

    The neat thing about the 2000x image is the transition from a nearly perfectly polished shoulder to a semi-coarse, 400# micro bevel.

    -Clay

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    #31393

    CliffCurry
    Participant
    • Topics: 42
    • Replies: 461

    2000x-400-1 AmScope 2000x The neat thing about the 2000x image is the transition from a nearly perfectly polished shoulder to a semi-coarse, 400# micro bevel.

    I can understand the shallow focal depth but at that magnification its just awe inspiring, exactly what I was hoping was technically possible(and totally out of my price zone). 

    I am gonna mail the slide to Josh and from there it can travel as it will.  Although Clays scopes will be tough to beat I still think an apples to apples comparison may reveal a standout mid-price unit.  Who knows?
    Anybody else interested in giving the test slide a sampling please chime in and Josh can send it on from there next week.   

    This is a great way to really see what equipment, can do what, for what price.  Invaluable information IMHO to help people in the future make informed purchase decisions.

    Clay thanks so much for posting your images and I hope if your not too super busy the calibration slide can make it to you for a few quick side by sides as well.  Im dying to see what it looks like under your x2000.  Amazing gear, like peering into an alien world…that we are terraforming blindfolded, well some of us are anyway. 

    #31397

    Mark76
    Keymaster
    • Topics: 179
    • Replies: 2760

    So Ive been on the hunt for a while now how to get the best resolution, highest magnification, images for the lowest price.

    My experience with my scope (an older VEHO, but I’ve heard similar stories from others) is that the main challenge is not so much magnification/resolution, but getting an adequate focus. Even if the depth of focus is really small, how are your experiences with this?

    Incredible pics, by the way, Clay!

    Molecule Polishing: my blog about sharpening with the Wicked Edge

    #31401

    CliffCurry
    Participant
    • Topics: 42
    • Replies: 461

    My experience with my scope (an older VEHO, but I’ve heard similar stories from others) is that the main challenge is not so much magnification/resolution, but getting an adequate focus. Even if the depth of focus is really small, how are your experiences with this?

    My only experience has been with the $20 no name “x400” scope.  It’s definitely better then nothing but leaves much to be desired for resolution. It reminds me of trying to watch standard definition TV or youtube in 480 mode. Grainy n makes my eyes strain to see between the pixels.

    Compare my first picture to Clays and you can see whereither my grid is fuzzy his is super crisp edged. I guess to answer I’d think they are both important.  Mine has adequate magnification but the resolution is holding it back.  Ofcourse I want BOTH a high mega pixel CCD and high magnification…at the lowest price possible naturally. 

     

    #31410

    tcmeyer
    Participant
    • Topics: 33
    • Replies: 1852

    Actually, the high mega-pixel sensor doesn’t add anything from what I can see, if you’re going to be using a computer monitor at wide-screen high def, 2 Mp is about all it can display anyway at 1920 X 1080.  And that’s a pretty good image.  Even when zooming in on a photo image, 5Mp is only about double the resolution and the improvement is barely noticeable from 2Mp.

    My Celestron 5Mp focuses at about 50X and 180X when displayed on my monitor.  I almost never use the higher magnification setting.  The lower setting has a better depth-of-field and clearer image than the higher setting.  Much less frustrating to use.  It seems that at the higher setting, every time I move the camera I have to re-focus.

    I’ve tried four different ‘scopes and found one of the most important features is having a tight but smoothly operating focus adjustment.  A loose adjustment will move out of focus almost every time you take your finger off the knob.

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    #31412

    wickededge
    Keymaster
    • Topics: 121
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    I agree about the camera resolution. 2 mp to 5 mp is perfectly adequate. The magnification and focus are most important. For focus, I mostly rely on a good stand. Here’s the one I use nowadays: http://www.digital-usb-microscopes.com/dino-lite-digital-microscope-MSRK-10A.html?gclid=Cj0KEQiAl5u2BRC6yszC1_75v5wBEiQAD-hdz4JcJqNFHDTf1owhI7KynUUWBDIHutmL_mWqTiT4wgMaAgc18P8HAQ and it’s terrific, makes it really easy to focus. I also have this one: http://www.microscope.com/dino-lite-ms35be-esd-safe-rigid-tabletop-pole-stand.html?gclid=Cj0KEQiAl5u2BRC6yszC1_75v5wBEiQAD-hdz5v0CroyxevWfchAMlsWaVWV5EB8I8fcyzUu9LE1uxwaAowW8P8HAQ and it’s good too, though not as easy to work with because the fine adjustment is not as fine as the other. This one looks very intriguing for viewing while the knife is in the sharpener: http://www.microscope.com/dino-lite-ms72b-table-top-dual-pole-stand.html?gclid=Cj0KEQiAl5u2BRC6yszC1_75v5wBEiQAD-hdzyJelYkpiU_H25i9gFjbfMc2DFivOUHrpuq9sVRNFDEaAqPV8P8HAQ. None of them are cheap, but  I think they can make any of the USB scopes and make them work better.

    -Clay

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    #31418

    Readheads
    Participant
    • Topics: 20
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    Can any of these setups measure the sharpened angle ?

    #31419

    wickededge
    Keymaster
    • Topics: 121
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    Can any of these setups measure the sharpened angle ?

    The only way I would know how to do so is in cross section. Then it’s pretty easy but I don’t know of any way to do it without creating a cross section of the blade.

    -Clay

    #31420

    Josh
    Participant
    • Topics: 89
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    Can any of these setups measure the sharpened angle ?

    The only way I would know how to do so is in cross section. Then it’s pretty easy but I don’t know of any way to do it without creating a cross section of the blade.

    I agree… I still think you need an SEM Clay 😉 Here’s a good cross section shot from the Science of Sharp blog

    This is as good of pics as my Dinolite AM3011 (discontinued) will take around it’s max zoom at 230x… I have tried the Dinolite and the Veho and the Veho was horrible at focusing – the adjustment knob was driving me crazy. The Dinolite is very tight and very easy to control… I still love it even after 3 years of use!  The SEM pic above puts mine to shame lol

     

     

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    #31422

    wickededge
    Keymaster
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    Yep Josh, one of these days…

    -Clay

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    #31423

    wickededge
    Keymaster
    • Topics: 121
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    I’ve just been playing with the 930x Dino-Lite. In this photo, I’d been using Cliff’s technique of horizontal sharpening:

    930-x-Utility-Horizontal-Pattern-

    -Clay

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    #31427

    CliffCurry
    Participant
    • Topics: 42
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    This is exactly what is intriguing me and why Im feeling so compelled to gain higher magnification….because the direction of strokes is lateral, it appears in the picture that no material is being pushed up and over the apex.

    In fact my theory is….similar to how we can take a 1000 grit stone and knock the top edge off at the beginning of the process then apex the blade until it doesnt reflect light (but no burr is formed either)….that the process is then repeated at the final level maybe using something as simple at newpaper on glass etc to “flatten” the apex, then maybe increasing the angle a touch to make contact with the top area of the 2nd bevel area only, and using ultra light lateral strokes to re-apex at the micro level.  Does that makes sense to anyone?

    #31430

    wickededge
    Keymaster
    • Topics: 121
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    Here are a couple on the AmScope at 800x and 2000x. I used the same blade with the horizontal pattern and added a micro-bevel at 1000#:

    AmScope-800x-1000

    AmScope-2000x-1000

    -Clay

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    #31433

    wickededge
    Keymaster
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    I’ve just installed new software for the scope and I’m still getting used to it. The above images have too much contrast and sharpening. I’ll keep at it…

    -Clay

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